.seminar-overview {
  box-sizing: border-box;
  width: min(1200px, calc(100vw - 48px));
  max-width: none;
  height: min(900px, calc(100dvh - 48px));
  max-height: calc(100dvh - 48px);
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid #3a3a3a;
  border-radius: 0;
  background: #f7f6f3;
  color: #3a3a3a;
  font: 18px/1.35 Tinos, Georgia, serif;
}
.seminar-overview[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.seminar-overview::backdrop { background: #151515b8; }
.seminar-overview-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  padding: 18px 24px;
  border-bottom: 3px double #3a3a3a;
}
.seminar-overview-header p, .seminar-overview-header h2 { margin: 0; }
.seminar-overview-label { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.seminar-overview-header h2 { font-size: 30px; line-height: 1.15; margin: 4px 0 7px; }
#seminar-overview-description, .seminar-overview-description { font-size: 17px; }
.seminar-overview-position { font-size: 14px; margin-top: 7px !important; }
.seminar-overview-close {
  flex-shrink: 0;
  min-height: 44px;
  padding: 7px 12px;
  border: 1px solid #3a3a3a;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.seminar-overview-close span { margin-left: 8px; font-size: 23px; line-height: 1; }
.seminar-overview-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  align-content: start;
  gap: 20px;
  min-height: 0;
  margin: 0;
  padding: 20px 24px 28px;
  overflow: auto;
  overscroll-behavior: contain;
  scroll-behavior: auto;
  scrollbar-gutter: stable;
  scrollbar-color: #8d8981 #f7f6f3;
  list-style: none;
}
.seminar-overview-card {
  position: relative;
  isolation: isolate;
  scroll-margin-block: 6px;
  min-width: 0;
  border: 1px solid #b6b0a4;
  background: #f7f6f3;
}
.seminar-overview-card[data-current="true"] { border-color: #3a3a3a; box-shadow: inset 0 0 0 1px #3a3a3a; }
.seminar-overview-preview {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  color: #777269;
  font-size: 15px;
  pointer-events: none;
}
.seminar-overview-preview iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 1920px;
  height: 1080px;
  border: 0;
  transform-origin: 0 0;
  visibility: hidden;
  pointer-events: none;
}
.seminar-overview-preview[data-loaded="true"] iframe { visibility: visible; }
.seminar-overview-preview[data-loaded="true"] [data-preview-fallback] { visibility: hidden; }
.seminar-overview-choice {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px 14px;
  border: 0;
  border-top: 1px solid #d2cdc3;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.seminar-overview-choice::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.seminar-overview-number { display: block; font-size: 13px; line-height: 1.25; }
.seminar-overview-title { display: block; font-weight: 700; font-size: 19px; line-height: 1.2; margin-top: 6px; overflow-wrap: anywhere; }
.seminar-overview-current { display: block; visibility: hidden; font-size: 13px; margin-top: 9px; }
[data-current="true"] > .seminar-overview-choice .seminar-overview-current { visibility: visible; }
.seminar-overview-choice:focus-visible { outline: none; }
.seminar-overview-choice:focus-visible::after, .seminar-overview-close:focus-visible { outline: 2px solid #3a3a3a; outline-offset: 3px; }
@media (max-height: 650px) {
  .seminar-overview { height: calc(100dvh - 24px); max-height: calc(100dvh - 24px); }
  .seminar-overview-header { padding-top: 12px; padding-bottom: 12px; }
}